var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');

const jwtAuth = require("./utils/jwt"); //引入token验证规则

var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');

var adminsRouter = require('./routes/admins');
var salespersonsRouter = require('./routes/salespersons');
var insuranceTypesRouter = require('./routes/insuranceTypes');
var insuresRouter = require('./routes/insures');
var ordersRouter = require('./routes/orders');
var claimsRouter = require('./routes/claims');
var loginRouter = require('./routes/login');
var imagesRouter = require('./routes/images'); //图片上传




var typesRouter = require('./routes/types');
// 引入连接数据库的代码
require("./db.js");

var app = express();

//cors跨域问题
var allowCrossDomain = function (req, res, next) {
    // 设置允许哪一个源（域）可以进行跨域访问，* 表示所有源
    res.header("Access-Control-Allow-Origin", "*");
    // 设置允许跨域访问的请求头
    res.header("Access-Control-Allow-Headers", "X-Requested-With,Origin,Content-Type,Accept,Authorization");
    // 设置允许跨域访问的请求类型
    res.header("Access-Control-Allow-Methods", "PUT,POST,GET,DELETE,OPTIONS");
    // 设置允许 cookie 发送到服务器 
    res.header('Access-Control-Allow-Credentials', 'true');
    next();
};

app.use(allowCrossDomain); // 使用该中间件

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

// app.use(jwtAuth); //使用token验证规则

app.use('/', indexRouter);
app.use('/users', usersRouter);
app.use('/admins', adminsRouter);
app.use('/salespersons', salespersonsRouter);
app.use('/insuranceTypes', insuranceTypesRouter);
// 一级路径
app.use('/insures', insuresRouter);
app.use('/orders', ordersRouter);
app.use('/claims', claimsRouter);
app.use('/login', loginRouter);
app.use('/types', typesRouter);
app.use('/images', imagesRouter);

// catch 404 and forward to error handler
app.use(function (req, res, next) {
  next(createError(404));
});

// error handler
app.use(function (err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

// module.exports = app;
//将启动命令npm start改成node app.js
app.listen(3000, () => console.log('3000端口 启动服务器成功'))
